
(pow-to-db .25)			; => -6.020599913279623

(db-to-pow -6)			; => 0.25118864315095796

(rms-to-db .5)			; => -6.020599913279623

(db-to-rms -6)			; => 0.5011872336272722

;; Tables of 6db increments...
(map (lambda (db) (list db
			(db-to-pow db)
			(pow-to-db (db-to-pow db))))
     (iota 10 (* -7 6) 6))

(map (lambda (db) (list db
			(db-to-rms db)
			(rms-to-db (db-to-rms db))))
     (iota 10 (* -7 6) 6))
